[INFO] cloning repository https://github.com/pgcrooks/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pgcrooks/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgcrooks%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgcrooks%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48efb97057892db771903e2a95efd6b8f4203c5d
[INFO] testing pgcrooks/rust_learn against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgcrooks%2Frust_learn" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pgcrooks/rust_learn on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pgcrooks/rust_learn
[INFO] finished tweaking git repo https://github.com/pgcrooks/rust_learn
[INFO] tweaked toml for git repo https://github.com/pgcrooks/rust_learn written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/pgcrooks/rust_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fae9876f678f722fb165f9d8733ec64f19aabc0feb4052ed38de6613d5b2831e
[INFO] running `Command { std: "docker" "start" "-a" "fae9876f678f722fb165f9d8733ec64f19aabc0feb4052ed38de6613d5b2831e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae9876f678f722fb165f9d8733ec64f19aabc0feb4052ed38de6613d5b2831e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae9876f678f722fb165f9d8733ec64f19aabc0feb4052ed38de6613d5b2831e", kill_on_drop: false }`
[INFO] [stdout] fae9876f678f722fb165f9d8733ec64f19aabc0feb4052ed38de6613d5b2831e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 778a9c49b8ecb8ab305f19dbaeec72a85e1e6d82a61a8b1ccef9efe0ef565e9d
[INFO] running `Command { std: "docker" "start" "-a" "778a9c49b8ecb8ab305f19dbaeec72a85e1e6d82a61a8b1ccef9efe0ef565e9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "778a9c49b8ecb8ab305f19dbaeec72a85e1e6d82a61a8b1ccef9efe0ef565e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778a9c49b8ecb8ab305f19dbaeec72a85e1e6d82a61a8b1ccef9efe0ef565e9d", kill_on_drop: false }`
[INFO] [stdout] 778a9c49b8ecb8ab305f19dbaeec72a85e1e6d82a61a8b1ccef9efe0ef565e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3053424f9aaa301c1b0f523d4cdcf289216abb65fdc9121923dfacaf95e71759
[INFO] running `Command { std: "docker" "start" "-a" "3053424f9aaa301c1b0f523d4cdcf289216abb65fdc9121923dfacaf95e71759", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "3053424f9aaa301c1b0f523d4cdcf289216abb65fdc9121923dfacaf95e71759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3053424f9aaa301c1b0f523d4cdcf289216abb65fdc9121923dfacaf95e71759", kill_on_drop: false }`
[INFO] [stdout] 3053424f9aaa301c1b0f523d4cdcf289216abb65fdc9121923dfacaf95e71759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0d4e4294f50cd98f5166493c58742f31eaebadda2a59fc1ccad026f7aea3d56
[INFO] running `Command { std: "docker" "start" "-a" "d0d4e4294f50cd98f5166493c58742f31eaebadda2a59fc1ccad026f7aea3d56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-9e3d8bb2bb780130)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0d4e4294f50cd98f5166493c58742f31eaebadda2a59fc1ccad026f7aea3d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d4e4294f50cd98f5166493c58742f31eaebadda2a59fc1ccad026f7aea3d56", kill_on_drop: false }`
[INFO] [stdout] d0d4e4294f50cd98f5166493c58742f31eaebadda2a59fc1ccad026f7aea3d56